Shenzhen Kinwong Electronic Co., Ltd. engages in research, development, production, and sale of printed circuit boards (PCB) and electronic materials in China and internationally. The company offers conventional PCBs, including single-layer, double-layer, and multi-layer PCBs; metal-based PCBs that comprise copper, aluminum, stainless steel, and iron; flexible PCBs, such as single and double side, and multilayer PCBs; and high density interconnect, RF microwave, rigid-flex, and high layer count PCBs, as well as embedded copper inlays. It also provides engineering and design services.